Finding the Third Proportional to 697,412 and 1,077,663

Step by Step Solution

1. Step 1: Write the proportion equation
   697,412 : 1,077,663 = 1,077,663 : x
2. Step 2: Convert to fraction form
   697,412/1,077,663 = 1,077,663/x
3. Step 3: Cross multiply
   697,412x = 1,077,663 × 1,077,663
4. Step 4: Simplify right side
   697,412x = 1,161,357,541,569
5. Step 5: Solve for x
   x = 1,161,357,541,569/697,412
6. Step 6: Final answer
   x = 1,665,238.83